Cortical findings from the ENIGMA‐CNV, 22q‐ENIGMA, and selected ENIGMA psychiatric working groups. Copy number variant (CNV) analyses: for deletion or duplication carriers vs non‐carriers for the 15q11.2 CNVs (ICV‐corrected; van der Meer et al., 2019), 1q21.1 distal CNVs (ICV‐corrected; in review) and 22q11DS (Sun et al., 2018). 22q11DS results include 22q11DS psychosis deletion (Del+Psy) vs non psychosis deletion (Del‐Psy; left hemisphere shown). Behaviorally defined disorders analyses: Results are shown from case‐control studies from ASD's mega‐analysis (left hemisphere shown; van Rooij et al., 2018), all ages in ADHD combined (children, adolescents and adults; Hoogman et al., 2017), all types of epilepsies combined (left hemisphere shown; Whelan et al., 2018), and schizophrenia (SCZ; left hemisphere shown; van Erp et al., 2018). Only significant results are shown